Driving Method and Driving Device for Display Panel, and Display Device

1. A driving method for a display panel, comprising dividing a plurality of pixel units of the display panel into a plurality of pixel groups, wherein each pixel group comprises three columns of continuously arranged pixel units, and the three columns of continuously arranged pixel units comprise a first position pixel unit, a second position pixel unit and a third position pixel unit respectively, the plurality of pixel units comprises a plurality of first pixel units and a plurality of a second pixel units, and each pixel unit comprises a plurality of sub-pixels; applying a drive voltage opposite to a polarity of the first position pixel unit to the second position pixel unit and the third position pixel unit in a same pixel group respectively; applying drive voltages of opposite polarities to every adjacent two columns of the sub-pixels in a same column of the pixel units respectively, and applying drive voltages of a first voltage level to the sub-pixels in the first pixel units while applying drive voltages of a second voltage level different from the first voltage level to the sub-pixels in the second pixel units, wherein the plurality of sub-pixels in the same pixel unit are applied with the drive voltages of a same one of the first voltage level and the second voltage level; wherein the first pixel units and the second pixel units are arranged alternately in each row as well as in each column in the display panel; and wherein in every adjacent two frame display times, the drive voltage of the same sub-pixel is changed in polarity while the drive voltage of the same sub-pixel is kept unchanged in voltage level, and in each of the adjacent two frame display times, the sub-pixels in each column have a same polarity.

2. The driving method according to claim 1 , wherein applying a drive voltage opposite to a polarity of the first position pixel unit to the second position pixel unit and the third position pixel unit in a same pixel group respectively comprises applying drive voltages of opposite polarities to the first position pixel unit and the second position pixel unit in the same pixel group respectively; and applying a drive voltage same as the polarity of the second position pixel unit to the third position pixel unit in the same pixel group.

3. The driving method according to claim 2 , wherein the pixel unit comprises a first sub-pixel, a second sub-pixel and a third sub-pixel which are arranged in sequence; applying drive voltages of opposite polarities to the first position pixel unit and the second position pixel unit in the same pixel group respectively; and applying a drive voltage same as the polarity of the second position pixel unit to the third position pixel unit in the same pixel group, comprises in the same pixel group, applying a drive voltage of a first polarity to the first sub-pixel and the third sub-pixel of the first position pixel unit respectively, applying a drive voltage of a second polarity to the first sub-pixel and the third sub-pixel of the second position pixel unit respectively, and applying a drive voltage of a second polarity to the first sub-pixel and the third sub-pixel of the third position pixel unit respectively; and applying a drive voltage of a second polarity to the second sub-pixel of the first position pixel unit, applying a drive voltage of a first polarity to the second sub-pixel of the second position pixel unit, and applying a drive voltage of a first polarity to the second sub-pixel of the third position pixel unit; wherein the first polarity and the second polarity are opposite polarities.

4. The driving method according to claim 1 , wherein applying a drive voltage opposite to a polarity of the first position pixel unit to the second position pixel unit and the third position pixel unit in a same pixel group respectively comprises applying drive voltages of opposite polarities to the first position pixel unit and the second position pixel unit in the same pixel group respectively; and applying a drive voltage same as the polarity of the second position pixel unit to the third position pixel unit in the same pixel group; wherein the pixel unit comprises a first sub-pixel, a second sub-pixel and a third sub-pixel arranged in sequence; applying drive voltages of opposite polarities to the first position pixel unit and the second position pixel unit in the same pixel group respectively; and applying a drive voltage same as the polarity of the second position pixel unit to the third position pixel unit in the same pixel group, comprises in the same pixel group, applying a drive voltage of a first polarity to the first sub-pixel and the third sub-pixel of the first position pixel unit respectively, applying a drive voltage of a second polarity to the first sub-pixel and the third sub-pixel of the second position pixel unit respectively, and applying a drive voltage of a second polarity to the first sub-pixel and the third sub-pixel of the third position pixel unit respectively; and applying a drive voltage of a second polarity to the second sub-pixel of the first position pixel unit, applying a drive voltage of a first polarity to the second sub-pixel of the second position pixel unit, and applying a drive voltage of a first polarity to the second sub-pixel of the third position pixel unit; wherein the first polarity and the second polarity are opposite polarities.

5. A display device, comprising a display panel and a driving device connected to the display panel, wherein the driving device is configured for dividing a plurality of pixel units of the display panel into a plurality of pixel groups, such that each pixel group comprises three columns of continuously arranged pixel units, and the three columns of continuously arranged pixel units are a first position pixel unit, a second position pixel unit and a third position pixel unit respectively, the plurality of pixel units comprises a plurality of first pixel units and a plurality of a second pixel units, and each pixel unit comprises a plurality of sub-pixels; configured for applying a drive voltage opposite to a polarity of the first position pixel unit to the second position pixel unit and the third position pixel unit in a same pixel group respectively; configured for applying drive voltages of opposite polarities to every adjacent two columns of the sub-pixels in a same column of the pixel units respectively; and configured for applying drive voltages of a first voltage level to the sub-pixels in the first pixel units while applying drive voltages of a second voltage level different from the first voltage level to the sub-pixels in the second pixel units, wherein the plurality of sub-pixels in the same pixel unit are applied with the drive voltages of a same one of the first voltage level and the second voltage level; wherein the first pixel units and the second pixel units are arranged alternately in each row as well as in each column in the display panel; and wherein in every adjacent two frame display times, the drive voltage of the same sub-pixel is changed in polarity while the drive voltage of the same sub-pixel is kept unchanged in voltage level, and in each of the adjacent two frame display times, the sub-pixels in each column have a same polarity.

6. The display device according to claim 5 , wherein applying a drive voltage opposite to a polarity of the first position pixel unit to the second position pixel unit and the third position pixel unit in a same pixel group respectively, comprises: applying drive voltages of opposite polarities to the first position pixel unit and the second position pixel unit in the same pixel group respectively; and applying a drive voltage same as the polarity of the second position pixel unit to the third position pixel unit in the same pixel group.

7. The display device according to claim 5 , wherein the pixel unit comprises a first sub-pixel, a second sub-pixel and a third sub-pixel which are arranged in sequence; applying a drive voltage opposite to a polarity of the first position pixel unit to the second position pixel unit and the third position pixel unit in a same pixel group respectively, comprises: in the same pixel group, applying a drive voltage of a first polarity to the first sub-pixel and the third sub-pixel of the first position pixel unit respectively, applying a drive voltage of a second polarity to the first sub-pixel and the third sub-pixel of the second position pixel unit respectively, and applying a drive voltage of a second polarity to the first sub-pixel and the third sub-pixel of the third position pixel unit respectively; and applying a drive voltage of a second polarity to the second sub-pixel of the first position pixel unit, applying a drive voltage of a first polarity to the second sub-pixel of the second position pixel unit, and applying a drive voltage of a first polarity to the second sub-pixel of the third position pixel unit; wherein the first polarity and the second polarity are opposite polarities.